VDB
CVE-2026-21859
CVE-2026-21859
PUBLISHED
CVSS 5.800000190734863 MEDIUM
Mailpit Proxy Endpoint has Server-Side Request Forgery (SSRF) vulnerability
EPSS 0.53% · 67.5th percentile
Risk Scores
CVSS 3.1
5.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
EPSS Score
0.53%
67.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | axllent/mailpit | 0, 0 |
| axllent | mailpit | < 1.28.1, 0, < 1.28.1 |
Timeline
- CVE Published
- Jan 6, 2026 PoC Published
- Jan 8, 2026 EPSS Score
- Jan 8, 2026 PoC Published
- Jan 11, 2026 EPSS Score
- Jan 14, 2026 EPSS Score
- Jan 18, 2026 EPSS Score
- Jan 21, 2026 EPSS Score
- Jan 21, 2026 PoC Published
- Jan 22, 2026 PoC Published
- Jan 24, 2026 EPSS Score
- Jan 24, 2026 PoC Published
References
- https://github.com/axllent/mailpit/security/advisories/GHSA-8v65-47jx-7mfr url
- https://github.com/axllent/mailpit/commit/3b9b470c093b3d20b7d751722c1c24f3eed2e19d url
- https://nvd.nist.gov/vuln/detail/CVE-2026-21859 advisory
- https://github.com/axllent/mailpit package
- https://pkg.go.dev/vuln/GO-2026-4284 url
- Nuclei Template exploit